Kyle ran into his house and slammed the door behind him. He paused with his back to the wall and tried to catch his breath. The puppy in his coat struggled to escape as Kyle peeked out the window worriedly. Nobody was coming. Kyle exhaled deeply and released the puppy from his coat. The puppy sniffed around cautiously. Kyle removed the dog collar from the dog's neck and threw it in the trash can. He started walking away but then went back to the trash can. He put the collar in an old soup can in the trash and carefully flipped over the can. The dog's eyes darted from left to right as he rapidly sniffed his surroundings.

Which best explains why Kyle is out of breath at the start of the passage?

Kyle ran into his house and slammed the door behind him. He paused with his back to the wall and tried to catch his breath. The puppy in his coat struggled to escape as Kyle peeked out the window worriedly. Nobody was coming. Kyle exhaled deeply and released the puppy from his coat. The puppy sniffed around cautiously. Kyle removed the dog collar from the dog's neck and threw it in the trash can. He started walking away but then went back to the trash can. He put the collar in an old soup can in the trash and carefully flipped over the can. The dog's eyes darted from left to right as he rapidly sniffed his surroundings.

Which sentence from the passage best supports the idea that Kyle has committed a crime?